diff --git a/OvmfPkg/QemuVideoDxe/Gop.c b/OvmfPkg/QemuVideoDxe/Gop.c
index b479d24a87..d51efc2a83 100644
--- a/OvmfPkg/QemuVideoDxe/Gop.c
+++ b/OvmfPkg/QemuVideoDxe/Gop.c
@@ -366,7 +366,7 @@ Returns:
 
   default:
     Status = EFI_INVALID_PARAMETER;
-    ASSERT (FALSE);
+    break;
   }
 
   gBS->RestoreTPL (OriginalTPL);